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binding/csharp/.gitignore
vendored
Normal file
337
binding/csharp/.gitignore
vendored
Normal file
@ -0,0 +1,337 @@
|
||||
## Ignore Visual Studio temporary files, build results, and
|
||||
## files generated by popular Visual Studio add-ons.
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||||
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|
||||
## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
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||||
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|
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ipch/
|
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$tf/
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_ReSharper*/
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_TeamCity*
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# MightyMoose
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# Click-Once directory
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publish/
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# Publish Web Output
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*.[Pp]ublish.xml
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# Note: Comment the next line if you want to checkin your web deploy settings,
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# but database connection strings (with potential passwords) will be unencrypted
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# in these scripts will be unencrypted
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# NuGet Packages
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*.nupkg
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# The packages folder can be ignored because of Package Restore
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**/[Pp]ackages/*
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# except build/, which is used as an MSBuild target.
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!**/[Pp]ackages/build/
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# Uncomment if necessary however generally it will be regenerated when needed
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#!**/[Pp]ackages/repositories.config
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# NuGet v3's project.json files produces more ignorable files
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# Microsoft Azure Build Output
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*.build.csdef
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# Visual Studio cache files
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# but keep track of directories ending in .cache
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# Others
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*~
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*.dbmdl
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orleans.codegen.cs
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# Including strong name files can present a security risk
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# (https://github.com/github/gitignore/pull/2483#issue-259490424)
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#*.snk
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# Since there are multiple workflows, uncomment next line to ignore bower_components
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# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
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#bower_components/
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# RIA/Silverlight projects
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# Backup & report files from converting an old project file
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# to a newer Visual Studio version. Backup files are not needed,
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# because we have git ;-)
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_UpgradeReport_Files/
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Backup*/
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# SQL Server files
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# Microsoft Fakes
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# GhostDoc plugin setting file
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# Visual Studio LightSwitch build output
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paket-files/
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# FAKE - F# Make
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# Cake - Uncomment if you are using it
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# tools/**
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# !tools/packages.config
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# Tabs Studio
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# Local History for Visual Studio
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.localhistory/
|
||||
6
binding/csharp/IP2Region.SearchTest/App.config
Normal file
6
binding/csharp/IP2Region.SearchTest/App.config
Normal file
@ -0,0 +1,6 @@
|
||||
<?xml version="1.0" encoding="utf-8" ?>
|
||||
<configuration>
|
||||
<startup>
|
||||
<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.7.2" />
|
||||
</startup>
|
||||
</configuration>
|
||||
@ -0,0 +1,59 @@
|
||||
<?xml version="1.0" encoding="utf-8"?>
|
||||
<Project ToolsVersion="15.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
|
||||
<Import Project="$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props" Condition="Exists('$(MSBuildExtensionsPath)\$(MSBuildToolsVersion)\Microsoft.Common.props')" />
|
||||
<PropertyGroup>
|
||||
<Configuration Condition=" '$(Configuration)' == '' ">Debug</Configuration>
|
||||
<Platform Condition=" '$(Platform)' == '' ">AnyCPU</Platform>
|
||||
<ProjectGuid>{FF136AEA-D41F-4C14-842B-CE597BB97916}</ProjectGuid>
|
||||
<OutputType>Exe</OutputType>
|
||||
<RootNamespace>IP2Region.SearchTest</RootNamespace>
|
||||
<AssemblyName>IP2Region.SearchTest</AssemblyName>
|
||||
<TargetFrameworkVersion>v4.7.2</TargetFrameworkVersion>
|
||||
<FileAlignment>512</FileAlignment>
|
||||
<AutoGenerateBindingRedirects>true</AutoGenerateBindingRedirects>
|
||||
<Deterministic>true</Deterministic>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
|
||||
<PlatformTarget>AnyCPU</PlatformTarget>
|
||||
<DebugSymbols>true</DebugSymbols>
|
||||
<DebugType>full</DebugType>
|
||||
<Optimize>false</Optimize>
|
||||
<OutputPath>bin\Debug\</OutputPath>
|
||||
<DefineConstants>DEBUG;TRACE</DefineConstants>
|
||||
<ErrorReport>prompt</ErrorReport>
|
||||
<WarningLevel>4</WarningLevel>
|
||||
</PropertyGroup>
|
||||
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Release|AnyCPU' ">
|
||||
<PlatformTarget>AnyCPU</PlatformTarget>
|
||||
<DebugType>pdbonly</DebugType>
|
||||
<Optimize>true</Optimize>
|
||||
<OutputPath>bin\Release\</OutputPath>
|
||||
<DefineConstants>TRACE</DefineConstants>
|
||||
<ErrorReport>prompt</ErrorReport>
|
||||
<WarningLevel>4</WarningLevel>
|
||||
</PropertyGroup>
|
||||
<ItemGroup>
|
||||
<Reference Include="System" />
|
||||
<Reference Include="System.Core" />
|
||||
<Reference Include="System.Xml.Linq" />
|
||||
<Reference Include="System.Data.DataSetExtensions" />
|
||||
<Reference Include="Microsoft.CSharp" />
|
||||
<Reference Include="System.Data" />
|
||||
<Reference Include="System.Net.Http" />
|
||||
<Reference Include="System.Xml" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<Compile Include="Program.cs" />
|
||||
<Compile Include="Properties\AssemblyInfo.cs" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<None Include="App.config" />
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ProjectReference Include="..\IP2Region\IP2Region.csproj">
|
||||
<Project>{483575a5-ffb3-4131-a2dc-6d3ad3bb268f}</Project>
|
||||
<Name>IP2Region</Name>
|
||||
</ProjectReference>
|
||||
</ItemGroup>
|
||||
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
|
||||
</Project>
|
||||
263
binding/csharp/IP2Region.SearchTest/Program.cs
Normal file
263
binding/csharp/IP2Region.SearchTest/Program.cs
Normal file
@ -0,0 +1,263 @@
|
||||
using IP2Region.xdb;
|
||||
using System;
|
||||
using System.Diagnostics;
|
||||
using System.IO;
|
||||
|
||||
namespace IP2Region.SearchTest
|
||||
{
|
||||
internal class Program
|
||||
{
|
||||
|
||||
public static void PrintHelp(String[] args)
|
||||
{
|
||||
Console.WriteLine("ip2region xdb searcher");
|
||||
Console.WriteLine("IP2Region.SearchTest.exe [command] [command options]");
|
||||
Console.WriteLine("Command: ");
|
||||
Console.WriteLine(" search search input test");
|
||||
Console.WriteLine(" bench search bench test");
|
||||
}
|
||||
public static Searcher CreateSearcher(String dbPath, String cachePolicy)
|
||||
{
|
||||
if ("file" == cachePolicy)
|
||||
{
|
||||
return Searcher.NewWithFileOnly(dbPath);
|
||||
}
|
||||
else if ("vectorIndex" == cachePolicy)
|
||||
{
|
||||
byte[] vIndex = Searcher.LoadVectorIndexFromFile(dbPath);
|
||||
return Searcher.NewWithVectorIndex(dbPath, vIndex);
|
||||
}
|
||||
else if ("content" == cachePolicy)
|
||||
{
|
||||
byte[] cBuff = Searcher.LoadContentFromFile(dbPath);
|
||||
return Searcher.NewWithBuffer(cBuff);
|
||||
}
|
||||
else
|
||||
{
|
||||
throw new Exception("invalid cache policy `" + cachePolicy + "`, options: file/vectorIndex/content");
|
||||
}
|
||||
}
|
||||
|
||||
public static void SearchTest(string[] args)
|
||||
{
|
||||
String dbPath = "", cachePolicy = "vectorIndex";
|
||||
foreach (string r in args)
|
||||
{
|
||||
if (r.Length < 5)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
if (r.IndexOf("--") != 0)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
int sIdx = r.IndexOf('=');
|
||||
if (sIdx < 0)
|
||||
{
|
||||
Console.WriteLine("missing = for args pair `{0}`", r);
|
||||
return;
|
||||
}
|
||||
|
||||
String key = r.Substring(2, sIdx - 2);
|
||||
String val = r.Substring(sIdx + 1);
|
||||
// Console.WriteLinef("key=%s, val=%s\n", key, val);
|
||||
if ("db" == key)
|
||||
{
|
||||
dbPath = val;
|
||||
}
|
||||
else if ("cache-policy" == key)
|
||||
{
|
||||
cachePolicy = val;
|
||||
}
|
||||
else
|
||||
{
|
||||
Console.WriteLine("undefined option `{0}`", r);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
if (dbPath.Length < 1)
|
||||
{
|
||||
Console.WriteLine("IP2Region.SearchTest.exe search [command options]");
|
||||
Console.WriteLine("options:");
|
||||
Console.WriteLine(" --db string ip2region binary xdb file path");
|
||||
Console.WriteLine(" --cache-policy string cache policy: file/vectorIndex/content");
|
||||
return;
|
||||
}
|
||||
|
||||
Searcher searcher = CreateSearcher(dbPath, cachePolicy);
|
||||
|
||||
Console.WriteLine("ip2region xdb searcher test program, cachePolicy: {0}\ntype 'quit' to exit", cachePolicy);
|
||||
while (true)
|
||||
{
|
||||
Console.Write("ip2region>> ");
|
||||
var line = Console.ReadLine().Trim();
|
||||
if (line.Length < 2) continue;
|
||||
if (line == "quit") break;
|
||||
try
|
||||
{
|
||||
var st = new Stopwatch();
|
||||
st.Start();
|
||||
var region = searcher.Search(line);
|
||||
st.Stop();
|
||||
var cost = st.ElapsedMilliseconds;
|
||||
Console.WriteLine("{{region: {0}, ioCount: {1}, took: {2} ms}}", region, searcher.IOCount, cost);
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
Console.WriteLine("{{err:{0}, ioCount: {1}}}", e, searcher.IOCount);
|
||||
}
|
||||
}
|
||||
Console.WriteLine("searcher test program exited, thanks for trying");
|
||||
|
||||
}
|
||||
public static void BenchTest(String[] args)
|
||||
{
|
||||
String dbPath = "", srcPath = "", cachePolicy = "vectorIndex";
|
||||
foreach (String r in args)
|
||||
{
|
||||
if (r.Length < 5)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
if (r.IndexOf("--") != 0)
|
||||
{
|
||||
continue;
|
||||
}
|
||||
|
||||
int sIdx = r.IndexOf('=');
|
||||
if (sIdx < 0)
|
||||
{
|
||||
Console.WriteLine("missing = for args pair `{0}`", r);
|
||||
return;
|
||||
}
|
||||
|
||||
String key = r.Substring(2, sIdx - 2);
|
||||
String val = r.Substring(sIdx + 1);
|
||||
if ("db" == key)
|
||||
{
|
||||
dbPath = val;
|
||||
}
|
||||
else if ("src" == key)
|
||||
{
|
||||
srcPath = val;
|
||||
}
|
||||
else if ("cache-policy" == key)
|
||||
{
|
||||
cachePolicy = val;
|
||||
}
|
||||
else
|
||||
{
|
||||
Console.WriteLine("undefined option `{0}`", r);
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
if (dbPath.Length < 1 || srcPath.Length < 1)
|
||||
{
|
||||
Console.WriteLine("IP2Region.SearchTest.exe bench [command options]");
|
||||
Console.WriteLine("options:");
|
||||
Console.WriteLine(" --db string ip2region binary xdb file path");
|
||||
Console.WriteLine(" --src string source ip text file path");
|
||||
Console.WriteLine(" --cache-policy string cache policy: file/vectorIndex/content");
|
||||
return;
|
||||
}
|
||||
|
||||
Searcher searcher = CreateSearcher(dbPath, cachePolicy);
|
||||
long count = 0;
|
||||
var sw = new Stopwatch();
|
||||
var lines = File.ReadAllLines(srcPath);
|
||||
foreach (var line in lines)
|
||||
{
|
||||
String l = line.Trim();
|
||||
String[] ps = l.Split(new[] { '|' }, 3);
|
||||
if (ps.Length != 3)
|
||||
{
|
||||
Console.WriteLine("invalid ip segment `{0}`", l);
|
||||
return;
|
||||
}
|
||||
long sip;
|
||||
try
|
||||
{
|
||||
sip = Searcher.checkIP(ps[0]);
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
Console.WriteLine("check start ip `{0}`: {1}", ps[0], e);
|
||||
return;
|
||||
}
|
||||
long eip;
|
||||
try
|
||||
{
|
||||
eip = Searcher.checkIP(ps[1]);
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
Console.WriteLine("check end ip `{0}`: {1}", ps[1], e);
|
||||
return;
|
||||
}
|
||||
|
||||
if (sip > eip)
|
||||
{
|
||||
Console.WriteLine("start ip({0}) should not be greater than end ip({1})", ps[0], ps[1]);
|
||||
return;
|
||||
}
|
||||
|
||||
long mip = (sip + eip) >> 1;
|
||||
foreach (var ip in new long[] { sip, (sip + mip) >> 1, mip, (mip + eip) >> 1, eip })
|
||||
{
|
||||
sw.Start();
|
||||
String region = searcher.Search(ip);
|
||||
sw.Stop();
|
||||
// check the region info
|
||||
if (ps[2] != (region))
|
||||
{
|
||||
Console.WriteLine("failed search({0}) with ({1} != {2})\n", Searcher.Long2ip(ip), region, ps[2]);
|
||||
return;
|
||||
}
|
||||
|
||||
count++;
|
||||
}
|
||||
}
|
||||
|
||||
Console.WriteLine("Bench finished, {{cachePolicy: {0}, total: {1}, took: {2}, cost: {3} ms/op}}",
|
||||
cachePolicy, count, sw.Elapsed,
|
||||
count == 0 ? 0 : sw.ElapsedMilliseconds / count);
|
||||
}
|
||||
static void Main(string[] args)
|
||||
{
|
||||
if (args.Length < 1)
|
||||
{
|
||||
PrintHelp(args);
|
||||
return;
|
||||
}
|
||||
switch (args[0])
|
||||
{
|
||||
case "search":
|
||||
try
|
||||
{
|
||||
SearchTest(args);
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
Console.WriteLine("failed running search test: {0}", e);
|
||||
}
|
||||
break;
|
||||
case "bench":
|
||||
try
|
||||
{
|
||||
BenchTest(args);
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
Console.WriteLine("failed running bench test: {0}", e);
|
||||
}
|
||||
break;
|
||||
default: PrintHelp(args); break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -0,0 +1,36 @@
|
||||
using System.Reflection;
|
||||
using System.Runtime.CompilerServices;
|
||||
using System.Runtime.InteropServices;
|
||||
|
||||
// 有关程序集的一般信息由以下
|
||||
// 控制。更改这些特性值可修改
|
||||
// 与程序集关联的信息。
|
||||
[assembly: AssemblyTitle("IP2Region.SearchTest")]
|
||||
[assembly: AssemblyDescription("")]
|
||||
[assembly: AssemblyConfiguration("")]
|
||||
[assembly: AssemblyCompany("")]
|
||||
[assembly: AssemblyProduct("IP2Region.SearchTest")]
|
||||
[assembly: AssemblyCopyright("Copyright © 2022")]
|
||||
[assembly: AssemblyTrademark("")]
|
||||
[assembly: AssemblyCulture("")]
|
||||
|
||||
// 将 ComVisible 设置为 false 会使此程序集中的类型
|
||||
//对 COM 组件不可见。如果需要从 COM 访问此程序集中的类型
|
||||
//请将此类型的 ComVisible 特性设置为 true。
|
||||
[assembly: ComVisible(false)]
|
||||
|
||||
// 如果此项目向 COM 公开，则下列 GUID 用于类型库的 ID
|
||||
[assembly: Guid("ff136aea-d41f-4c14-842b-ce597bb97916")]
|
||||
|
||||
// 程序集的版本信息由下列四个值组成:
|
||||
//
|
||||
// 主版本
|
||||
// 次版本
|
||||
// 生成号
|
||||
// 修订号
|
||||
//
|
||||
//可以指定所有这些值，也可以使用“生成号”和“修订号”的默认值
|
||||
//通过使用 "*"，如下所示:
|
||||
// [assembly: AssemblyVersion("1.0.*")]
|
||||
[assembly: AssemblyVersion("1.0.0.0")]
|
||||
[assembly: AssemblyFileVersion("1.0.0.0")]
|
||||
31
binding/csharp/IP2Region.sln
Normal file
31
binding/csharp/IP2Region.sln
Normal file
@ -0,0 +1,31 @@
|
||||
|
||||
Microsoft Visual Studio Solution File, Format Version 12.00
|
||||
# Visual Studio Version 17
|
||||
VisualStudioVersion = 17.1.32228.430
|
||||
MinimumVisualStudioVersion = 10.0.40219.1
|
||||
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "IP2Region", "IP2Region\IP2Region.csproj", "{483575A5-FFB3-4131-A2DC-6D3AD3BB268F}"
|
||||
EndProject
|
||||
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "IP2Region.SearchTest", "IP2Region.SearchTest\IP2Region.SearchTest.csproj", "{FF136AEA-D41F-4C14-842B-CE597BB97916}"
|
||||
EndProject
|
||||
Global
|
||||
GlobalSection(SolutionConfigurationPlatforms) = preSolution
|
||||
Debug|Any CPU = Debug|Any CPU
|
||||
Release|Any CPU = Release|Any CPU
|
||||
EndGlobalSection
|
||||
GlobalSection(ProjectConfigurationPlatforms) = postSolution
|
||||
{483575A5-FFB3-4131-A2DC-6D3AD3BB268F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{483575A5-FFB3-4131-A2DC-6D3AD3BB268F}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{483575A5-FFB3-4131-A2DC-6D3AD3BB268F}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{483575A5-FFB3-4131-A2DC-6D3AD3BB268F}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
{FF136AEA-D41F-4C14-842B-CE597BB97916}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
|
||||
{FF136AEA-D41F-4C14-842B-CE597BB97916}.Debug|Any CPU.Build.0 = Debug|Any CPU
|
||||
{FF136AEA-D41F-4C14-842B-CE597BB97916}.Release|Any CPU.ActiveCfg = Release|Any CPU
|
||||
{FF136AEA-D41F-4C14-842B-CE597BB97916}.Release|Any CPU.Build.0 = Release|Any CPU
|
||||
EndGlobalSection
|
||||
GlobalSection(SolutionProperties) = preSolution
|
||||
HideSolutionNode = FALSE
|
||||
EndGlobalSection
|
||||
GlobalSection(ExtensibilityGlobals) = postSolution
|
||||
SolutionGuid = {6AEA440B-0D90-4F6E-BA9A-D42B27A78D7B}
|
||||
EndGlobalSection
|
||||
EndGlobal
|
||||
7
binding/csharp/IP2Region/IP2Region.csproj
Normal file
7
binding/csharp/IP2Region/IP2Region.csproj
Normal file
@ -0,0 +1,7 @@
|
||||
<Project Sdk="Microsoft.NET.Sdk">
|
||||
|
||||
<PropertyGroup>
|
||||
<TargetFrameworks>netstandard2.0;netcoreapp3.1;net5.0;net6.0</TargetFrameworks>
|
||||
</PropertyGroup>
|
||||
|
||||
</Project>
|
||||
40
binding/csharp/IP2Region/xdb/Header.cs
Normal file
40
binding/csharp/IP2Region/xdb/Header.cs
Normal file
@ -0,0 +1,40 @@
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
|
||||
namespace IP2Region.xdb
|
||||
{
|
||||
public class Header
|
||||
{
|
||||
public int Version { get; }
|
||||
public int IndexPolicy { get; }
|
||||
public int CreatedAt { get; }
|
||||
public int StartIndexPtr { get; }
|
||||
public int EndIndexPtr { get; }
|
||||
public byte[] Buffer { get; }
|
||||
public Header(byte[] buff)
|
||||
{
|
||||
if (buff == null) throw new ArgumentNullException(nameof(buff));
|
||||
if (buff.Length < 16) throw new ArgumentOutOfRangeException(nameof(buff));
|
||||
Version = Searcher.GetInt2(buff, 0);
|
||||
IndexPolicy = Searcher.GetInt2(buff, 2);
|
||||
CreatedAt = Searcher.GetInt(buff, 4);
|
||||
StartIndexPtr = Searcher.GetInt(buff, 8);
|
||||
EndIndexPtr = Searcher.GetInt(buff, 12);
|
||||
Buffer = buff;
|
||||
|
||||
}
|
||||
public override string ToString()
|
||||
{
|
||||
return "{" +
|
||||
"Version: " + Version + ',' +
|
||||
"IndexPolicy: " + IndexPolicy + ',' +
|
||||
"CreatedAt: " + CreatedAt + ',' +
|
||||
"StartIndexPtr: " + StartIndexPtr + ',' +
|
||||
"EndIndexPtr: " + EndIndexPtr +
|
||||
'}';
|
||||
}
|
||||
}
|
||||
}
|
||||
268
binding/csharp/IP2Region/xdb/Searcher.cs
Normal file
268
binding/csharp/IP2Region/xdb/Searcher.cs
Normal file
@ -0,0 +1,268 @@
|
||||
using System;
|
||||
using System.Collections.Generic;
|
||||
using System.IO;
|
||||
using System.Linq;
|
||||
using System.Text;
|
||||
using System.Threading.Tasks;
|
||||
|
||||
namespace IP2Region.xdb
|
||||
{
|
||||
public class Searcher
|
||||
{
|
||||
|
||||
// constant defined copied from the xdb maker
|
||||
public static int HeaderInfoLength = 256;
|
||||
public static int VectorIndexRows = 256;
|
||||
public static int VectorIndexCols = 256;
|
||||
public static int VectorIndexSize = 8;
|
||||
public static int SegmentIndexSize = 14;
|
||||
|
||||
// random access file handle for file based search
|
||||
private readonly Stream handle;
|
||||
|
||||
private int ioCount = 0;
|
||||
|
||||
public int IOCount => this.ioCount;
|
||||
|
||||
|
||||
// vector index.
|
||||
// use the byte[] instead of VectorIndex entry array to keep
|
||||
// the minimal memory allocation.
|
||||
private readonly byte[] vectorIndex;
|
||||
|
||||
// xdb content buffer, used for in-memory search
|
||||
private readonly byte[] contentBuff;
|
||||
|
||||
|
||||
// --- static method to create searchers
|
||||
|
||||
|
||||
public static Searcher NewWithFileOnly(String dbPath)
|
||||
{
|
||||
return new Searcher(dbPath, null, null);
|
||||
}
|
||||
|
||||
public static Searcher NewWithVectorIndex(String dbPath, byte[] vectorIndex)
|
||||
{
|
||||
return new Searcher(dbPath, vectorIndex, null);
|
||||
}
|
||||
|
||||
public static Searcher NewWithBuffer(byte[] cBuff)
|
||||
{
|
||||
return new Searcher(null, null, cBuff);
|
||||
}
|
||||
|
||||
// --- End of creator
|
||||
public Searcher(string dbFile, byte[] vectorIndex, byte[] cBuff)
|
||||
{
|
||||
if (cBuff != null)
|
||||
{
|
||||
this.handle = null;
|
||||
this.vectorIndex = null;
|
||||
this.contentBuff = cBuff;
|
||||
}
|
||||
else
|
||||
{
|
||||
this.handle = File.OpenRead(dbFile);
|
||||
this.vectorIndex = vectorIndex;
|
||||
this.contentBuff = null;
|
||||
}
|
||||
}
|
||||
|
||||
public void Close()
|
||||
{
|
||||
if (this.handle != null) this.handle.Close();
|
||||
}
|
||||
|
||||
public string Search(string ipStr)
|
||||
{
|
||||
var ip = checkIP(ipStr);
|
||||
return Search(ip);
|
||||
}
|
||||
|
||||
public string Search(long ip)
|
||||
{
|
||||
// reset the global counter
|
||||
this.ioCount = 0;
|
||||
// locate the segment index block based on the vector index
|
||||
int sPtr = 0, ePtr = 0;
|
||||
int il0 = (int)((ip >> 24) & 0xFF);
|
||||
int il1 = (int)((ip >> 16) & 0xFF);
|
||||
int idx = il0 * VectorIndexCols * VectorIndexSize + il1 * VectorIndexSize;
|
||||
if (vectorIndex != null)
|
||||
{
|
||||
sPtr = GetInt(vectorIndex, idx);
|
||||
ePtr = GetInt(vectorIndex, idx + 4);
|
||||
}
|
||||
else if (contentBuff != null)
|
||||
{
|
||||
sPtr = GetInt(contentBuff, HeaderInfoLength + idx);
|
||||
ePtr = GetInt(contentBuff, HeaderInfoLength + idx + 4);
|
||||
}
|
||||
else
|
||||
{
|
||||
byte[] vectorBuff = new byte[VectorIndexSize];
|
||||
Read(HeaderInfoLength + idx, vectorBuff);
|
||||
sPtr = GetInt(vectorBuff, 0);
|
||||
ePtr = GetInt(vectorBuff, 4);
|
||||
}
|
||||
|
||||
// binary search the segment index block to get the region info
|
||||
byte[] buff = new byte[SegmentIndexSize];
|
||||
int dataLen = -1, dataPtr = -1;
|
||||
int l = 0, h = (ePtr - sPtr) / SegmentIndexSize;
|
||||
while (l <= h)
|
||||
{
|
||||
int m = (l + h) >> 1;
|
||||
int p = sPtr + m * SegmentIndexSize;
|
||||
|
||||
// read the segment index
|
||||
Read(p, buff);
|
||||
long sip = GetIntLong(buff, 0);
|
||||
if (ip < sip)
|
||||
{
|
||||
h = m - 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
long eip = GetIntLong(buff, 4);
|
||||
if (ip > eip)
|
||||
{
|
||||
l = m + 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
dataLen = GetInt2(buff, 8);
|
||||
dataPtr = GetInt(buff, 10);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// empty match interception
|
||||
// System.out.printf("dataLen: %d, dataPtr: %d\n", dataLen, dataPtr);
|
||||
if (dataPtr < 0) return null;
|
||||
|
||||
// load and return the region data
|
||||
byte[] regionBuff = new byte[dataLen];
|
||||
Read(dataPtr, regionBuff);
|
||||
//return new String(regionBuff, "utf-8");
|
||||
return Encoding.UTF8.GetString(regionBuff);
|
||||
}
|
||||
|
||||
protected virtual void Read(int offset, byte[] buffer)
|
||||
{
|
||||
// check the in-memory buffer first
|
||||
if (contentBuff != null)
|
||||
{
|
||||
// @TODO: reduce data copying, directly decode the data ?
|
||||
//System.arraycopy(contentBuff, offset, buffer, 0, buffer.length);
|
||||
Array.Copy(contentBuff, offset, buffer, 0, buffer.Length);
|
||||
return;
|
||||
}
|
||||
|
||||
// read from the file handle
|
||||
if (handle == null) throw new ArgumentNullException(nameof(handle));
|
||||
handle.Seek(offset, SeekOrigin.Begin);
|
||||
|
||||
this.ioCount++;
|
||||
var rLen = handle.Read(buffer, 0, buffer.Length);
|
||||
if (rLen != buffer.Length) throw new IOException("incomplete read: read bytes should be " + buffer.Length);
|
||||
}
|
||||
|
||||
// --- static cache util function
|
||||
public static Header LoadHeader(Stream stream)
|
||||
{
|
||||
stream.Seek(0, SeekOrigin.Begin);
|
||||
var buffer = new byte[HeaderInfoLength];
|
||||
stream.Read(buffer, 0, HeaderInfoLength);
|
||||
return new Header(buffer);
|
||||
}
|
||||
public static Header LoadHeaderFromFile(string dbPath)
|
||||
{
|
||||
using (var fs = File.OpenRead(dbPath)) return LoadHeader(fs);
|
||||
}
|
||||
public static byte[] LoadVectorIndex(Stream stream)
|
||||
{
|
||||
stream.Seek(HeaderInfoLength, SeekOrigin.Begin);
|
||||
int len = VectorIndexRows * VectorIndexCols * SegmentIndexSize;
|
||||
var buff = new byte[len];
|
||||
var rLen = stream.Read(buff, 0, buff.Length);
|
||||
if (rLen != len) throw new IOException("incomplete read: read bytes should be " + len);
|
||||
return buff;
|
||||
}
|
||||
public static byte[] LoadVectorIndexFromFile(string dbPath)
|
||||
{
|
||||
using (var fs = File.OpenRead(dbPath)) return LoadVectorIndex(fs);
|
||||
}
|
||||
public static byte[] LoadContent(Stream stream)
|
||||
{
|
||||
stream.Seek(0, SeekOrigin.Begin);
|
||||
using (var ms = new MemoryStream())
|
||||
{
|
||||
stream.CopyTo(ms);
|
||||
return ms.ToArray();
|
||||
}
|
||||
}
|
||||
|
||||
public static byte[] LoadContentFromFile(string dbPath)
|
||||
{
|
||||
using (var fs = File.OpenRead(dbPath)) return LoadContent(fs);
|
||||
}
|
||||
|
||||
public static int GetInt2(byte[] b, int offset)
|
||||
{
|
||||
return (
|
||||
(b[offset++] & 0x000000FF) |
|
||||
(b[offset] & 0x0000FF00)
|
||||
);
|
||||
}
|
||||
public static int GetInt(byte[] b, int offset)
|
||||
{
|
||||
return (
|
||||
((b[offset++]) & 0x000000FF) |
|
||||
((b[offset++] << 8) & 0x0000FF00) |
|
||||
((b[offset++] << 16) & 0x00FF0000) |
|
||||
(int)((b[offset] << 24) & 0xFF000000)
|
||||
);
|
||||
}
|
||||
public static long GetIntLong(byte[] b, int offset)
|
||||
{
|
||||
return (
|
||||
((b[offset++] & 0x000000FFL)) |
|
||||
((b[offset++] << 8) & 0x0000FF00L) |
|
||||
((b[offset++] << 16) & 0x00FF0000L) |
|
||||
((b[offset] << 24) & 0xFF000000L)
|
||||
);
|
||||
}
|
||||
|
||||
/* long int to ip string */
|
||||
public static string Long2ip(long ip)
|
||||
{
|
||||
return string.Join(".", (ip >> 24) & 0xFF, (ip >> 16) & 0xFF, (ip >> 8) & 0xFF, (ip) & 0xFF);
|
||||
}
|
||||
|
||||
public static byte[] shiftIndex = { 24, 16, 8, 0 };
|
||||
|
||||
/* check the specified ip address */
|
||||
public static long checkIP(String ip)
|
||||
{
|
||||
String[]
|
||||
ps = ip.Split('.');
|
||||
if (ps.Length != 4) throw new Exception("invalid ip address `" + ip + "`");
|
||||
|
||||
long ipDst = 0;
|
||||
for (int i = 0; i < ps.Length; i++)
|
||||
{
|
||||
int val = Convert.ToInt32(ps[i]);
|
||||
if (val > 255)
|
||||
{
|
||||
throw new Exception("ip part `" + ps[i] + "` should be less then 256");
|
||||
}
|
||||
ipDst |= ((long)val << shiftIndex[i]);
|
||||
}
|
||||
|
||||
return ipDst & 0xFFFFFFFFL;
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -2,6 +2,171 @@
|
||||
|
||||
# 使用方式
|
||||
|
||||
### 引入文件
|
||||
将 IP2Region\xdb\Header.cs 和 IP2Region\xdb\Searcher.cs 复制到项目文件中即可。
|
||||
|
||||
兼容框架：netstandard2.0、netcoreapp3.1、net5.0和net6.0。其余框架请自行测试。
|
||||
|
||||
### 完全基于文件的查询
|
||||
```csharp
|
||||
// 1、创建 searcher 对象
|
||||
String dbPath = "ip2region.xdb file path";
|
||||
Searcher searcher = null;
|
||||
try
|
||||
{
|
||||
searcher = Searcher.NewWithFileOnly(dbPath);
|
||||
}
|
||||
catch (IOException e)
|
||||
{
|
||||
Console.WriteLine("failed to create searcher with `{0}`: {1}", dbPath, e);
|
||||
return;
|
||||
}
|
||||
|
||||
// 2、查询
|
||||
String ip = "1.2.3.4";
|
||||
try
|
||||
{
|
||||
String region = searcher.Search(ip);
|
||||
Console.WriteLine("{{region: {0}, ioCount: {1}}}\n", region, searcher.IOCount);
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
Console.WriteLine("failed to search({0}): {1}\n", ip, e);
|
||||
}
|
||||
|
||||
// 3、备注：并发使用，每个线程需要创建一个独立的 searcher 对象单独使用。
|
||||
```
|
||||
|
||||
### 缓存 `VectorIndex` 索引
|
||||
```csharp
|
||||
String dbPath = "ip2region.xdb file path";
|
||||
|
||||
// 1、从 dbPath 中预先加载 VectorIndex 缓存，并且把这个得到的数据作为全局变量，后续反复使用。
|
||||
byte[] vIndex;
|
||||
try
|
||||
{
|
||||
vIndex = Searcher.LoadVectorIndexFromFile(dbPath);
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
Console.WriteLine("failed to load vector index from `{0}`: {1}", dbPath, e);
|
||||
return;
|
||||
}
|
||||
|
||||
// 2、使用全局的 vIndex 创建带 VectorIndex 缓存的查询对象。
|
||||
Searcher searcher;
|
||||
try
|
||||
{
|
||||
searcher = Searcher.NewWithVectorIndex(dbPath, vIndex);
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
Console.WriteLine("failed to create vectorIndex cached searcher with `{0}`: {1}", dbPath, e);
|
||||
return;
|
||||
}
|
||||
|
||||
// 3、查询
|
||||
String ip = "1.2.3.4";
|
||||
try
|
||||
{
|
||||
String region = searcher.Search(ip);
|
||||
Console.WriteLine("{{region: {0}, ioCount: {1}}}", region, searcher.IOCount);
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
Console.WriteLine("failed to search({0}): {1}", ip, e);
|
||||
}
|
||||
|
||||
// 备注：每个线程需要单独创建一个独立的 Searcher 对象，但是都共享全局的制度 vIndex 缓存。
|
||||
```
|
||||
|
||||
### 缓存整个 `xdb` 数据
|
||||
|
||||
我们也可以预先加载整个 ip2region.xdb 的数据到内存，然后基于这个数据创建查询对象来实现完全基于文件的查询，类似之前的 memory search。
|
||||
|
||||
```csharp
|
||||
String dbPath = "ip2region.xdb file path";
|
||||
|
||||
// 1、从 dbPath 加载整个 xdb 到内存。
|
||||
byte[] cBuff;
|
||||
try
|
||||
{
|
||||
cBuff = Searcher.LoadContentFromFile(dbPath);
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
Console.WriteLine("failed to load content from `{0}`: {1}", dbPath, e);
|
||||
return;
|
||||
}
|
||||
|
||||
// 2、使用上述的 cBuff 创建一个完全基于内存的查询对象。
|
||||
Searcher searcher;
|
||||
try
|
||||
{
|
||||
searcher = Searcher.NewWithBuffer(cBuff);
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
Console.WriteLine("failed to create content cached searcher: {0}", e);
|
||||
return;
|
||||
}
|
||||
|
||||
// 3、查询
|
||||
String ip = "1.2.3.4";
|
||||
try {
|
||||
String region = searcher.Search(ip);
|
||||
Console.WriteLine("{{region: {0}, ioCount: {1}}}", region, searcher.IOCount);
|
||||
}
|
||||
catch (Exception e)
|
||||
{
|
||||
Console.WriteLine("failed to search({0}): {1}", ip, e);
|
||||
}
|
||||
|
||||
// 备注：并发使用，用整个 xdb 数据缓存创建的查询对象可以安全的用于并发，也就是你可以把这个 searcher 对象做成全局对象去跨线程访问。
|
||||
```
|
||||
|
||||
# 编译测试程序
|
||||
使用 Visual Stuido 打开 IP2Region 解决方案，按“F6”生成测试程序。然后会在 `IP2Region.SearchTest\bin\Debug` 目录下得到一个 `IP2Region.SearchTest.exe` 测试程序。
|
||||
|
||||
# 查询测试
|
||||
可以通过 `IP2Region.SearchTest.exe search` 命令来测试查询：
|
||||
```bash
|
||||
IP2Region.SearchTest.exe search
|
||||
IP2Region.SearchTest.exe search [command options]
|
||||
options:
|
||||
--db string ip2region binary xdb file path
|
||||
--cache-policy string cache policy: file/vectorIndex/content
|
||||
```
|
||||
|
||||
例如：使用默认的 data/ip2region.xdb 文件进行查询测试：
|
||||
```bash
|
||||
IP2Region.SearchTest.exe search --db=../../../../../data/ip2region.xdb
|
||||
ip2region xdb searcher test program, cachePolicy: vectorIndex
|
||||
type 'quit' to exit
|
||||
ip2region>> 1.2.3.4
|
||||
{region: 美国|0|华盛顿|0|谷歌, ioCount: 7, took: 0 ms}
|
||||
ip2region>>
|
||||
```
|
||||
|
||||
输入 ip 即可进行查询测试，也可以分别设置 `cache-policy` 为 file/vectorIndex/content 来测试三种不同缓存实现的查询效果。
|
||||
|
||||
# bench 测试
|
||||
|
||||
可以通过 `IP2Region.SearchTest.exe bench` 命令来进行 bench 测试，一方面确保 `xdb` 文件没有错误，一方面可以评估查询性能：
|
||||
```bash
|
||||
IP2Region.SearchTest.exe bench
|
||||
IP2Region.SearchTest.exe bench [command options]
|
||||
options:
|
||||
--db string ip2region binary xdb file path
|
||||
--src string source ip text file path
|
||||
--cache-policy string cache policy: file/vectorIndex/content
|
||||
```
|
||||
|
||||
例如：通过默认的 data/ip2region.xdb 和 data/ip.merge.txt 文件进行 bench 测试：
|
||||
```bash
|
||||
IP2Region.SearchTest.exe bench --db=../../../../../data/ip2region.xdb --src=../../../../../data/ip.merge.txt
|
||||
Bench finished, {cachePolicy: vectorIndex, total: 3417955, took: 00:00:48.0082981, cost: 0 ms/op}
|
||||
```
|
||||
|
||||
可以通过分别设置 `cache-policy` 为 file/vectorIndex/content 来测试三种不同缓存实现的效果。
|
||||
@Note: 注意 bench 使用的 src 文件要是生成对应 xdb 文件相同的源文件。
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user